Home / 273,076,940.80-409,757,128.80-119,738,497.60

Finding the Fourth Proportional to 273,076,940.80, 409,757,128.80 and 119,738,497.60

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Solution

The fourth proportional to 273,076,940.80, 409,757,128.80 and 119,738,497.60 is: 179,669,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,076,940.80 : 409,757,128.80 = 119,738,497.60 : x
  2. Step 2: Convert to fraction form
    273,076,940.80/409,757,128.80 = 119,738,497.60/x
  3. Step 3: Cross multiply
    273,076,940.80x = 409,757,128.80 × 119,738,497.60
  4. Step 4: Simplify right side
    273,076,940.80x = 49,063,702,983,401,688
  5. Step 5: Solve for x
    x = 49,063,702,983,401,688/273,076,940.80
  6. Step 6: Final answer
    x = 179,669,886.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.